edi: chain generate/send jobs

Instead of waiting for the cron to pass again and send the file
chain the 2 jobs so that it gets sent right after generation.

edi_oca/models/edi_backend.py

@@ -375,7 +375,11 @@ def _check_output_exchange_sync(
             len(new_records),
         )
         for rec in new_records:
-            rec.with_delay().action_exchange_generate()
+            job1 = rec.delayable().action_exchange_generate()
+            if not skip_send:
+                # Chain send job
+                job1.on_done(rec.delayable().action_exchange_send())
+            job1.delay()
 
         if skip_send:
             return